Mando Sierreño
type: MusicGroup
genre: sierreño
popularity: 12
followers: 538
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x7403862e6e3e01b6410ff8af3de961c84b4cd9a1731ad8d27ecf528ea60ba958
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSProofURL
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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  value: 2026-06-14T13:03:42Z
additional property: OTSCanonicalRecord
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7403862e6e3e01b6410ff8af3de961c84b4cd9a1731ad8d27ecf528ea60ba958. Chain 2 (Bitcoin): anchored in block 953636 (2026-06-14T13:03:42Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3777e9eb-453d-4eff-a52d-30815ca338db.json and https://artists.proofprofile.net/proofs/artist/3777e9eb-453d-4eff-a52d-30815ca338db.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T13:03:42Z
  text: {"copyright_id":"0x7403862e6e3e01b6410ff8af3de961c84b4cd9a1731ad8d27ecf528ea60ba958","name":"Mando Sierreño","registered_at":"2026-06-14T10:15:25Z","symbol":"NIM0421270","token_address":"0xa39357d37b46fdde1aefa74d9455a4fbdc6d668d","type":"artist","uuid":"3777e9eb-453d-4eff-a52d-30815ca338db"}
album: Como Cambian los Tiempos
  type: MusicAlbum
  date published: 2021-09-04
  track: El es Mi Apa
    type: MusicRecording
    duration: PT2M49S
    duration ms: 169343
    explicit: false
    by artist: Mando Sierreño
    in album: Como Cambian los Tiempos
      type: MusicAlbum
      date published: 2021-09-04
    genre: sierreño
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    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
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    additional property: OTSBitcoinBlock
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      type: PropertyValue
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    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAFT2134306
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-16T07:22:18Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x879bec69811adec2d342f62eaaf6777e3fe374e425522ba326854afc2524ce30. Chain 2 (Bitcoin): anchored in block 958256 (2026-07-16T07:22:18Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAFT2134306.
      date published: 2026-07-16T07:22:18Z
    audio: El es Mi Apa
      type: AudioObject
      additional property: Tempo (BPM)
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      additional property: Musical Key
        type: PropertyValue
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      additional property: Mode (Major/Minor)
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        value: 1
      additional property: Time Signature
        type: PropertyValue
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      additional property: Danceability
        type: PropertyValue
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      additional property: Energy
        type: PropertyValue
        value: 0.513
      additional property: Speechiness
        type: PropertyValue
        value: 0.047
      additional property: Acousticness
        type: PropertyValue
        value: 0.617
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.132
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.935
      additional property: Loudness (dB)
        type: PropertyValue
        value: -3.697
      additional property: Key Name
        type: PropertyValue
        value: E
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: El del Sombrero
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    duration: PT3M56S
    duration ms: 236568
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    by artist: Mando Sierreño
    in album: Como Cambian los Tiempos
      type: MusicAlbum
      date published: 2021-09-04
    genre: sierreño
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    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
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    additional property: CopyrightChainExplorerURL
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      type: PropertyValue
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    additional property: OTSVerificationAPI
      type: PropertyValue
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    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T03:44:56Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x966e34b9fb7282464932ade259da324d0c9dab75f70df7a2c4f6252ab4f505e1. Chain 2 (Bitcoin): anchored in block 956402 (2026-07-17T03:44:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAFT2134382.
      date published: 2026-07-17T03:44:56Z
    audio: El del Sombrero
      type: AudioObject
      additional property: Tempo (BPM)
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      additional property: Musical Key
        type: PropertyValue
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      additional property: Mode (Major/Minor)
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        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.8
      additional property: Energy
        type: PropertyValue
        value: 0.649
      additional property: Speechiness
        type: PropertyValue
        value: 0.043
      additional property: Acousticness
        type: PropertyValue
        value: 0.055
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.109
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.671
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: Soy de Durango
album: Mini Disco Belico
album: De La Ciudad Pal Rancho
album: Por Juanelo Me Han de Conocer
album: Dr. G
album: DE NORTE A SUR
album: POPURRIS PA DESTAPAR BOTES

Loudness (dB)
type: PropertyValue
value: -7.268

Key Name
type: PropertyValue
value: Eb

Mode Name
type: PropertyValue
value: Major

Soy de Durango
type: MusicRecording
duration: PT2M30S
duration ms: 150136
explicit: true
by artist: Mando Sierreño
in album: Como Cambian los Tiempos
  type: MusicAlbum
  date published: 2021-09-04
genre: sierreño
isrc code: TCAFT2134378
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-07-02T21:05:48+00:00
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAFT2134378
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T02:21:32Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6787a705811124c607f284e92151be576ea778494cc1280d84813c48a9495dc1. Chain 2 (Bitcoin): anchored in block 956402 (2026-07-17T02:21:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAFT2134378.
  date published: 2026-07-17T02:21:32Z
audio: Soy de Durango
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
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    value: 0
  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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    value: 0
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.754
  additional property: Loudness (dB)
    type: PropertyValue
    value: -4.865
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Mini Disco Belico
type: MusicAlbum
date published: 2022-06-18

De La Ciudad Pal Rancho
type: MusicAlbum
date published: 2023-04-14

Por Juanelo Me Han de Conocer
type: MusicAlbum
date published: 2024-07-12

Dr. G
type: MusicAlbum
date published: 2024-08-14

DE NORTE A SUR
type: MusicAlbum
date published: 2025-08-18

POPURRIS PA DESTAPAR BOTES
type: MusicAlbum
date published: 2025-08-22